1801418341633 has 8 divisors (see below), whose sum is σ = 1802749731552. Its totient is φ = 1800087312576.

The previous prime is 1801418341609. The next prime is 1801418341669. The reversal of 1801418341633 is 3361438141081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1801418341633 - 2³⁷ = 1663979388161 is a prime.

It is a super-2 number, since 2×1801418341633² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1801418341633.

It is not an unprimeable number, because it can be changed into a prime (1801418348633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10339266 + ... + 10512052.

It is an arithmetic number, because the mean of its divisors is an integer number (225343716444).

Almost surely, 2^{1801418341633} is an apocalyptic number.

It is an amenable number.

1801418341633 is a deficient number, since it is larger than the sum of its proper divisors (1331389919).

1801418341633 is a wasteful number, since it uses less digits than its factorization.

1801418341633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180431.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 1801418341633 in words is "one trillion, eight hundred one billion, four hundred eighteen million, three hundred forty-one thousand, six hundred thirty-three".